Ultrasonic measurement switch cabinet partial discharge tester
Portable Hand Held Pd Detector Partial Discharge Tester
The instrument adopts a portable design, which can scan and detect directly on the switch cabinet shell without any influence or damage to the operation of the switch cabinet. At the same time, the measured signal can be stored and replayed on the TF card for easy reference, and the supplied earphones can be used to hear sound of electric discharge.
Product Parameters
Instrument
| Display | 4.3-inch true color TFT LCD touch screen |
| Input Signal Channel | TEV *1, Air-coupled ultrasonic *1 |
| Power Socket | DV 12V |
| Headphone Jack | 3.5mm |
| Storage | TF Card supported |
| Battery | 12V 2500mAH |
| Operating hours | >4h |
| Dimension | Instrument Box:240*240*80 mm Handle Dimension:146*46.5*40 mm |
| Weight | <1kg |
TEV Measurement
| Sensor Type | Capacitive Coupling |
| Sensor Specifications | Built-in |
| Frequency Range | 10-100MHz |
| Measuring Range | 0-50dB |
| Accuracy | ±1dB |
| Resolution | 1dB |
Ultrasonic Measurement
| Sensor Type | Air Coupling |
| Sensor Specifications | Built-in |
| Resonance Frequency | 40kHz±1kHz |
| Measuring Range | -10dBuV-70dBuv |
| Sensitivity | -68dB(40.0kHz,0dB=1 Volt/μbarrms SPL) |
| Accuracy | ±1dB |
| Resolution | 1dB |
Other Specification
| Normal working hours | > 4 Hours |
| Battery protection | lease recharge when battery is low |
| Rated Voltage | 100-240V |
| Charging Voltage | 12V |
| Charging Current | 0.5A |
| Time Required to fully charge | 7 Hours |
| Operating Temperature | 0-55℃ |





